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Date:: Fri Jul 30 12:42:58 2021 UTC
Message:: colorize text/x-patch
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1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include "compat.h"
18 
19 #include <curses.h>
20 #include <limits.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <unistd.h>
24 
25 #include "defaults.h"
26 #include "telescope.h"
27 #include "ui.h"
28 
29 char *new_tab_url = NULL;
30 int fill_column = 80;
31 int olivetti_mode = 1;
32 int enable_colors = 1;
33 int hide_pre_context = 0;
34 int hide_pre_blocks = 0;
35 int hide_pre_closing_line = 0;
36 int dont_wrap_pre = 0;
37 int emojify_link = 1;
38 int set_title = 1;
39 
40 struct lineprefix line_prefixes[] = {
41 	[LINE_TEXT] =		{ "",		"" },
42 	[LINE_LINK] =		{ "→ ",	"  " },
43 	[LINE_TITLE_1] =	{ "# ",		"  " },
44 	[LINE_TITLE_2] =	{ "## ",	"   " },
45 	[LINE_TITLE_3] =	{ "### ",	"    " },
46 	[LINE_ITEM] =		{ " • ",	"   " },
47 	[LINE_QUOTE] =		{ " ┃ ",	" ┃ " },
48 	[LINE_PRE_START] =	{ "─── ",	"    " },
49 	[LINE_PRE_CONTENT] =	{ "",		"" },
50 	[LINE_PRE_END] =	{ "─── ",	"" },
51 
52 	[LINE_PATCH] =		{"", ""},
53 	[LINE_PATCH_HDR] =	{"", ""},
54 	[LINE_PATCH_HUNK_HDR] =	{"", ""},
55 	[LINE_PATCH_ADD] =	{"", ""},
56 	[LINE_PATCH_DEL] =	{"", ""},
57 
58 	[LINE_COMPL] =		{"", ""},
59 	[LINE_COMPL_CURRENT] =	{"", ""},
60 
61 	[LINE_HELP] =		{"", ""},
62 };
63 
64 struct line_face line_faces[] = {
65 	[LINE_TEXT] =		{
66 		.prfx_pair = PT_PRFX,
67 		.pair = PT,
68 		.trail_pair = PT_TRAIL,
69 	},
70 	[LINE_LINK] =		{
71 		.prfx_pair = PL_PRFX,
72 		.pair = PL,
73 		.trail_pair = PL_TRAIL,
74 		.attr = A_UNDERLINE,
75 	},
76 	[LINE_TITLE_1] =	{
77 		.prfx_pair = PT1_PRFX,
78 		.pair = PT1,
79 		.trail_pair = PT1_TRAIL,
80 		.attr = A_BOLD,
81 	},
82 	[LINE_TITLE_2] =	{
83 		.prfx_pair = PT2_PRFX,
84 		.pair = PT2,
85 		.trail_pair = PT2_TRAIL,
86 		.attr = A_BOLD,
87 	},
88 	[LINE_TITLE_3] =	{
89 		.prfx_pair = PT3_PRFX,
90 		.pair = PT3,
91 		.trail_pair = PT3_TRAIL,
92 		.attr = A_BOLD,
93 	},
94 	[LINE_ITEM] =		{
95 		.prfx_pair = PI_PRFX,
96 		.pair = PI,
97 		.trail_pair = PI_TRAIL,
98 	},
99 	[LINE_QUOTE] =		{
100 		.prfx_pair = PQ_PRFX,
101 		.pair = PQ,
102 		.trail_pair = PQ_TRAIL,
103 		.attr = A_DIM,
104 	},
105 	[LINE_PRE_START] =	{
106 		.prfx_pair = PPSTART_PRFX,
107 		.pair = PPSTART,
108 		.trail_pair = PPSTART_TRAIL,
109 	},
110 	[LINE_PRE_CONTENT] =	{
111 		.prfx_pair = PP_PRFX,
112 		.pair = PP,
113 		.trail_pair = PP_TRAIL,
114 	},
115 	[LINE_PRE_END] =	{
116 		.prfx_pair = PPEND_PRFX,
117 		.pair = PPEND,
118 		.trail_pair = PPEND_TRAIL,
119 	},
120 
121 	/* text/x-patch */
122 	[LINE_PATCH] = {
123 		.prfx_pair = PPATCH_PRFX,
124 		.pair = PPATCH,
125 		.trail_pair = PPATCH_TRAIL,
126 	},
127 	[LINE_PATCH_HDR] = {
128 		.prfx_pair = PPATCH_HDR_PRFX,
129 		.pair = PPATCH_HDR,
130 		.trail_pair = PPATCH_HDR_TRAIL,
131 	},
132 	[LINE_PATCH_HUNK_HDR] = {
133 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
134 		.pair = PPATCH_HUNK_HDR,
135 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
136 	},
137 	[LINE_PATCH_ADD] = {
138 		.prfx_pair = PPATCH_ADD_PRFX,
139 		.pair = PPATCH_ADD,
140 		.trail_pair = PPATCH_ADD_TRAIL,
141 	},
142 	[LINE_PATCH_DEL] = {
143 		.prfx_pair = PPATCH_DEL_PRFX,
144 		.pair = PPATCH_DEL,
145 		.trail_pair = PPATCH_DEL_TRAIL,
146 	},
147 
148 	/* minibuffer */
149 	[LINE_COMPL] = {
150 		.prfx_pair = PCOMPL_PRFX,
151 		.pair = PCOMPL,
152 		.trail_pair = PCOMPL_TRAIL,
153 	},
154 	[LINE_COMPL_CURRENT] = {
155 		.prfx_pair = PCOMPL_CURR_PRFX,
156 		.pair = PCOMPL_CURR,
157 		.trail_pair = PCOMPL_CURR_TRAIL,
158 		.attr = A_REVERSE,
159 		.trail_attr = A_REVERSE,
160 	},
161 
162 	/* help */
163 	[LINE_HELP] = {
164 		.prfx_pair = PHELP_PRFX,
165 		.pair = PHELP,
166 		.trail_pair = PHELP_TRAIL,
167 	},
168 };
169 
170 struct tab_face tab_face = {
171 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
172 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
173 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
174 
175 	/*
176 	 * set these so that even when enable-color=0 the bar has some
177 	 * sane defaults.
178 	 */
179 	.background =	A_REVERSE,
180 	.tab =		A_REVERSE,
181 	.current =	A_NORMAL,
182 };
183 
184 struct body_face body_face = {
185 	.lbg = -1, .lfg = -1,
186 	.bg  = -1, .fg  = -1,
187 	.rbg = -1, .rfg = -1,
188 };
189 
190 struct modeline_face modeline_face = {
191 	.bg  = -1,
192 	.fg  = -1,
193 	.attr = A_REVERSE,
194 };
195 
196 struct minibuffer_face minibuffer_face = {
197 	.bg = -1,
198 	.fg = -1,
199 	.attr = A_NORMAL,
200 };
201 
202 struct mapping {
203 	const char	*label;
204 	int		 linetype;
205 } mappings[] = {
206 	{"text",	LINE_TEXT},
207 	{"link",	LINE_LINK},
208 	{"title1",	LINE_TITLE_1},
209 	{"title2",	LINE_TITLE_2},
210 	{"title3",	LINE_TITLE_3},
211 	{"item",	LINE_ITEM},
212 	{"quote",	LINE_QUOTE},
213 	{"pre.start",	LINE_PRE_START},
214 	{"pre",		LINE_PRE_CONTENT},
215 	{"pre.end",	LINE_PRE_END},
216 
217 	/* text/x-patch */
218 	{"patch",	LINE_PATCH},
219 	{"patch.hdr",	LINE_PATCH_HDR},
220 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
221 	{"patch.add",	LINE_PATCH_ADD},
222 	{"patch.del",	LINE_PATCH_DEL},
223 
224 	/* minibuffer */
225 	{"compl",	LINE_COMPL},
226 	{"compl.current", LINE_COMPL_CURRENT},
227 
228 	/* help */
229 	{"help",	LINE_HELP},
230 };
231 
232 static struct mapping *
233 mapping_by_name(const char *name)
234 {
235 	size_t i;
236 
237 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
238 		if (!strcmp(name, mappings[i].label))
239 			return &mappings[i];
240 	}
241 
242 	return NULL;
243 }
244 
245 
246 static inline void
247 global_set_key(const char *key, void (*fn)(struct buffer*))
248 {
249 	if (!kmap_define_key(&global_map, key, fn))
250 		_exit(1);
251 }
252 
253 static inline void
254 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
255 {
256 	if (!kmap_define_key(&minibuffer_map, key, fn))
257 		_exit(1);
258 }
259 
260 static void
261 load_default_keys(void)
262 {
263 	/* === global map === */
264 
265 	/* emacs */
266 	global_set_key("C-p",		cmd_previous_line);
267 	global_set_key("C-n",		cmd_next_line);
268 	global_set_key("C-f",		cmd_forward_char);
269 	global_set_key("C-b",		cmd_backward_char);
270 	global_set_key("M-{",		cmd_backward_paragraph);
271 	global_set_key("M-}",		cmd_forward_paragraph);
272 	global_set_key("C-a",		cmd_move_beginning_of_line);
273 	global_set_key("C-e",		cmd_move_end_of_line);
274 
275 	global_set_key("M-v",		cmd_scroll_up);
276 	global_set_key("C-v",		cmd_scroll_down);
277 	global_set_key("M-space",	cmd_scroll_up);
278 	global_set_key("space",		cmd_scroll_down);
279 
280 	global_set_key("M-<",		cmd_beginning_of_buffer);
281 	global_set_key("M->",		cmd_end_of_buffer);
282 
283 	global_set_key("C-x C-c",	cmd_kill_telescope);
284 
285 	global_set_key("C-g",		cmd_clear_minibuf);
286 
287 	global_set_key("M-x",		cmd_execute_extended_command);
288 
289 	global_set_key("C-c {",		cmd_dec_fill_column);
290 	global_set_key("C-c }",		cmd_inc_fill_column);
291 
292 	global_set_key("C-c p",		cmd_previous_heading);
293 	global_set_key("C-c n",		cmd_next_heading);
294 
295 	global_set_key(">",		cmd_load_url);
296 	global_set_key("<",		cmd_load_current_url);
297 	global_set_key("C-x C-f",	cmd_load_url);
298 	global_set_key("C-x M-f",	cmd_load_current_url);
299 
300 	global_set_key("C-x o",		cmd_other_window);
301 
302 	global_set_key("C-x t 0",	cmd_tab_close);
303 	global_set_key("C-x t 1",	cmd_tab_close_other);
304 	global_set_key("C-x t 2",	cmd_tab_new);
305 	global_set_key("C-x t o",	cmd_tab_next);
306 	global_set_key("C-x t O",	cmd_tab_previous);
307 	global_set_key("C-x t m",	cmd_tab_move);
308 	global_set_key("C-x t M",	cmd_tab_move_to);
309 
310 	global_set_key("B",		cmd_previous_page);
311 	global_set_key("C-M-b",		cmd_previous_page);
312 	global_set_key("F",		cmd_next_page);
313 	global_set_key("C-M-f",		cmd_next_page);
314 
315 	global_set_key("<f7> a",	cmd_bookmark_page);
316 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
317 
318 	global_set_key("C-z",		cmd_suspend_telescope);
319 
320 	/* vi/vi-like */
321 	global_set_key("k",		cmd_previous_line);
322 	global_set_key("j",		cmd_next_line);
323 	global_set_key("l",		cmd_forward_char);
324 	global_set_key("h",		cmd_backward_char);
325 	global_set_key("{",		cmd_backward_paragraph);
326 	global_set_key("}",		cmd_forward_paragraph);
327 	global_set_key("^",		cmd_move_beginning_of_line);
328 	global_set_key("$",		cmd_move_end_of_line);
329 
330 	global_set_key("K",		cmd_scroll_line_up);
331 	global_set_key("J",		cmd_scroll_line_down);
332 
333 	global_set_key("g g",		cmd_beginning_of_buffer);
334 	global_set_key("G",		cmd_end_of_buffer);
335 
336 	global_set_key("g D",		cmd_tab_close);
337 	global_set_key("g N",		cmd_tab_new);
338 	global_set_key("g t",		cmd_tab_next);
339 	global_set_key("g T",		cmd_tab_previous);
340 	global_set_key("g M-t",		cmd_tab_move);
341 	global_set_key("g M-T",		cmd_tab_move_to);
342 
343 	global_set_key("H",		cmd_previous_page);
344 	global_set_key("L",		cmd_next_page);
345 
346 	/* tmp */
347 	global_set_key("q",		cmd_kill_telescope);
348 
349 	global_set_key("esc",		cmd_clear_minibuf);
350 
351 	global_set_key(":",		cmd_execute_extended_command);
352 
353 	/* cua */
354 	global_set_key("<up>",		cmd_previous_line);
355 	global_set_key("<down>",	cmd_next_line);
356 	global_set_key("<right>",	cmd_forward_char);
357 	global_set_key("<left>",	cmd_backward_char);
358 	global_set_key("<home>",	cmd_move_beginning_of_line);
359 	global_set_key("<end>",		cmd_move_end_of_line);
360 	global_set_key("<prior>",	cmd_scroll_up);
361 	global_set_key("<next>",	cmd_scroll_down);
362 
363 	global_set_key("C-w",		cmd_tab_close);
364 	global_set_key("C-t",		cmd_tab_new);
365 	global_set_key("M-<prior>",	cmd_tab_previous);
366 	global_set_key("M-<next>",	cmd_tab_next);
367 
368 	global_set_key("M-<left>",	cmd_previous_page);
369 	global_set_key("M-<right>",	cmd_next_page);
370 
371 	global_set_key("<f5>",		cmd_reload_page);
372 	global_set_key("r",		cmd_reload_page);
373 
374 	/* "ncurses standard" */
375 	global_set_key("C-l",		cmd_redraw);
376 
377 	/* global */
378 	global_set_key("<f1>",		cmd_toggle_help);
379 	global_set_key("C-m",		cmd_push_button);
380 	global_set_key("M-enter",	cmd_push_button_new_tab);
381 	global_set_key("M-tab",		cmd_previous_button);
382 	global_set_key("backtab",	cmd_previous_button);
383 	global_set_key("tab",		cmd_next_button);
384 	global_set_key("M-t",		cmd_tab_select);
385 	global_set_key("[",		cmd_tab_previous);
386 	global_set_key("]",		cmd_tab_next);
387 	global_set_key("M-l",		cmd_link_select);
388 	global_set_key("M-/",		cmd_swiper);
389 	global_set_key("t",		cmd_toc);
390 
391 	/* === minibuffer map === */
392 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
393 	minibuffer_set_key("C-g",		cmd_mini_abort);
394 	minibuffer_set_key("esc",		cmd_mini_abort);
395 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
396 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
397 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
398 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
399 
400 	minibuffer_set_key("C-b",		cmd_backward_char);
401 	minibuffer_set_key("C-f",		cmd_forward_char);
402 	minibuffer_set_key("<left>",		cmd_backward_char);
403 	minibuffer_set_key("<right>",		cmd_forward_char);
404 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
405 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
406 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
407 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
408 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
409 
410 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
411 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
412 
413 	minibuffer_set_key("C-p",		cmd_previous_completion);
414 	minibuffer_set_key("C-n",		cmd_next_completion);
415 	minibuffer_set_key("<up>",		cmd_previous_completion);
416 	minibuffer_set_key("<down>",		cmd_next_completion);
417 
418 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
419 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
420 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
421 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
422 
423 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
424 	minibuffer_set_key("M->",		cmd_mini_goto_end);
425 
426 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
427 }
428 
429 void
430 config_init(void)
431 {
432 	struct line_face *f;
433 	size_t i, len;
434 
435 	len = sizeof(line_faces)/sizeof(line_faces[0]);
436 	for (i = 0; i < len; ++i) {
437 		f = &line_faces[i];
438 
439 		f->prfx_bg = f->bg = f->trail_bg = -1;
440 		f->prfx_fg = f->fg = f->trail_fg = -1;
441 	}
442 
443 	line_faces[LINE_LINK].fg = COLOR_BLUE;
444 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
445 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
446 
447 	load_default_keys();
448 }
449 
450 int
451 config_setprfx(const char *name, const char *prfx, const char *cont)
452 {
453 	struct lineprefix *p;
454 	struct mapping *m;
455 
456 	if (!has_prefix(name, "line."))
457 		return 0;
458 	name += 5;
459 
460 	if ((m = mapping_by_name(name)) == NULL)
461 		return 0;
462 
463 	p = &line_prefixes[m->linetype];
464 	p->prfx1 = prfx;
465 	p->prfx2 = cont;
466 
467 	return 1;
468 }
469 
470 int
471 config_setvari(const char *var, int val)
472 {
473 	if (!strcmp(var, "fill-column")) {
474 		if ((fill_column = val) <= 0)
475 			fill_column = INT_MAX;
476 	} else if (!strcmp(var, "olivetti-mode")) {
477 		olivetti_mode = !!val;
478 	} else if (!strcmp(var, "enable-colors")) {
479 		enable_colors = !!val;
480 	} else if (!strcmp(var, "hide-pre-context")) {
481 		hide_pre_context = !!val;
482 	} else if (!strcmp(var, "hide-pre-blocks")) {
483 		hide_pre_blocks = !!val;
484 	} else if (!strcmp(var, "hide-pre-closing-line")) {
485 		hide_pre_closing_line = !!val;
486 	} else if (!strcmp(var, "dont-wrap-pre")) {
487 		dont_wrap_pre = !!val;
488 	} else if (!strcmp(var, "emojify-link")) {
489 		emojify_link = !!val;
490 	} else if (!strcmp(var, "set-title")) {
491 		set_title = !!val;
492 	} else {
493 		return 0;
494 	}
495 
496 	return 1;
497 }
498 
499 int
500 config_setvars(const char *var, char *val)
501 {
502 	if (!strcmp(var, "new-tab-url")) {
503 		if (new_tab_url != NULL)
504 			free(new_tab_url);
505 		new_tab_url = val;
506 	} else
507 		return 0;
508 	return 1;
509 }
510 
511 int
512 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
513 {
514         struct mapping *m;
515 	struct line_face *f;
516 
517 	if (!strcmp(name, "tabline")) {
518 		if (bg)
519 			tab_face.bg_bg = prfx;
520 		else
521 			tab_face.bg_fg = prfx;
522 	} else if (has_prefix(name, "tabline.")) {
523 		name += 8;
524 
525 		if (!strcmp(name, "tab")) {
526 			if (bg)
527 				tab_face.t_bg = prfx;
528 			else
529 				tab_face.t_fg = prfx;
530 		} else if (!strcmp(name, "current")) {
531 			if (bg)
532 				tab_face.c_bg = prfx;
533 			else
534 				tab_face.c_fg = prfx;
535 		} else
536 			return 0;
537 	} else if (has_prefix(name, "line.")) {
538 		name += 5;
539 
540 		if ((m = mapping_by_name(name)) == NULL)
541 			return 0;
542 
543 		f = &line_faces[m->linetype];
544 
545 		if (bg) {
546 			f->prfx_bg = prfx;
547 			f->bg = line;
548 			f->trail_bg = trail;
549 		} else {
550 			f->prfx_fg = prfx;
551 			f->fg = line;
552 			f->trail_fg = trail;
553 		}
554 	} else if (!strcmp(name, "line")) {
555 		if (bg) {
556 			body_face.lbg = prfx;
557 			body_face.bg  = line;
558 			body_face.rbg = trail;
559 		} else {
560 			body_face.lfg = prfx;
561 			body_face.fg = line;
562 			body_face.rfg = trail;
563 		}
564 	} else if (!strcmp(name, "minibuffer")) {
565 		if (bg)
566 			minibuffer_face.bg = prfx;
567 		else
568 			minibuffer_face.fg = prfx;
569 	} else if (!strcmp(name, "modeline")) {
570 		if (bg)
571 			modeline_face.bg = prfx;
572 		else
573 			modeline_face.fg = prfx;
574 	} else {
575 		return 0;
576 	}
577 
578 	return 1;
579 }
580 
581 int
582 config_setattr(const char *name, int prfx, int line, int trail)
583 {
584 	struct mapping *m;
585 	struct line_face *f;
586 
587 	if (!strcmp(name, "tabline")) {
588 		tab_face.bg_attr = prfx;
589 	} else if (has_prefix(name, "tabline.")) {
590 		name += 8;
591 
592 		if (!strcmp(name, "tab"))
593 			tab_face.t_attr = prfx;
594 		else if (!strcmp(name, "current"))
595 			tab_face.c_attr = prfx;
596 		else
597 			return 0;
598 	} else if (has_prefix(name, "line.")) {
599 		name += 5;
600 
601 		if ((m = mapping_by_name(name)) == NULL)
602 			return 0;
603 
604 		f = &line_faces[m->linetype];
605 
606 		f->prfx_attr = prfx;
607 		f->attr = line;
608 		f->trail_attr = trail;
609 	} else if (!strcmp(name, "minibuffer")) {
610 		minibuffer_face.attr = prfx;
611 	} else if (!strcmp(name, "modeline")) {
612 		modeline_face.attr = prfx;
613 	} else {
614 		return 0;
615 	}
616 
617 	return 1;
618 }
619 
620 static inline void
621 tl_init_pair(int colors, int pair, int f, int b)
622 {
623 	if (f >= colors || !enable_colors)
624 		f = -1;
625 	if (b >= colors || !enable_colors)
626 		b = -1;
627 	init_pair(pair, f, b);
628 }
629 
630 void
631 config_apply_style(void)
632 {
633 	size_t i, colors, len;
634 	struct line_face *f;
635 
636 	colors = COLORS;
637 
638 	len = sizeof(line_faces)/sizeof(line_faces[0]);
639 	for (i = 0; i < len; ++i) {
640 		f = &line_faces[i];
641 
642 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
643 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
644 
645 		tl_init_pair(colors, f->pair, f->fg, f->bg);
646 		f->text = COLOR_PAIR(f->pair) | f->attr;
647 
648 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
649 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
650 	}
651 
652 	/* tab line */
653 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
654 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
655 
656 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
657 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
658 
659 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
660 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
661 
662 	/* body */
663 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
664 	body_face.body = COLOR_PAIR(PBODY);
665 
666 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
667 	body_face.left = COLOR_PAIR(PBLEFT);
668 
669 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
670 	body_face.right = COLOR_PAIR(PBRIGHT);
671 
672 	/* modeline */
673 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
674 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
675 
676 	/* minibuffer */
677 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
678 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
679 
680 }